Chapter Three •
10) SCAN FORWARD | LD/CD |
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11) SCAN REVERSE | LD/CD |
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Function: | Rapid forward or reverse scanning of the disc. | |||
Format: | N F - SCAN FORWARD | |||
| N R - SCAN REVERSE | |||
Explanation: | If this command is sent to the player when it is in the Random | |||
| Access Mode, the pictures on a LaserDisc will move at high speed | |||
| about 500 frames forward or reverse and audio is squelched. | |||
| This movement is referred to as Scan Mode. On a CD, program | |||
| material is still audible but is scanned at a high speed. | |||
| When the Scan is completed, the original mode is restored and | |||
| the completion status is returned. | |||
Execution 1: | * | Play Mode |
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| N F <C/R> | R <C/R> | ||
| * | Play Mode |
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| N R N R N R <C/R> | R <C/R> | ||
| * | Play Mode |
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Execution 2: | * | Still Mode |
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| N F <C/R> | R <C/R> | ||
| * | Still Mode |
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12) | LD (CAV Only) | |||
13) | LD (CAV Only) | |||
Function: | Playing is done at the speed set in the speed register. |
(Maintains Chapter Mode,
Format: (Address) M F -
Searches to beginning of Chapter 6)
(Address) M R -
Explanation: 1) If this command is sent to the player when it is in Random Access Mode, the
2)If an address is specified, playing is done at the speed
specified in the Speed Register. The specified(MaintainsaddressChapterisModewritten.) in the Mark Frame Register or Mark Chapter Register and compared with the current address. When both values are the same, Still Mode occurs. Then the completion status is returned.
TP 120 v. 1.0 • 10/95 |